Calculate the [OH−] for 0.021 M Ca (OH)2. Answer in units
Limewater will dissociate like the following equation: Ca (OH)_2rightleftharpoonsCa^ (2+)+2OH^ (-) So, one mole of limewater will contain two moles of hydroxide ions.
How many grams of \text {NH}_4\text {OH} do I need to make
"6.3072 g" >>"Molarity" = "Moles of solute"/"Volume of solution (in litres)" "0.45 M" = "n"/"0.4 L" "n = 0.45 M × 0.4 L = 0.18 mol" You need "0.18 mol" of "NH"_4"OH" Molar mass of "NH"_4"OH" …
Can you give the IUPAC name for the following (CH_3)_3C-OH
Aug 29, 2016 · So this is a propanol derivative: "2-methylpropan-2-ol" For "isopropyl alcohol", H_3C-CH (OH)CH_3, the longest chain is again three carbons long, and C2 is substituted by …
On the hydrolysis of esters according to the reaction: HCOO
Nov 26, 2017 · HCOO^(-)(aq) + H_2O(l) rightleftharpoons HCOOH(aq) + OH^(-)(aq) If the solution is diluted, the reaction will shift left, because (i) water isn't in the equilibrium expression, and …
Balance the chemical equation? - Socratic
Here, let's balance the nitrogens first. There are two on the left due to the presence of ammonium sulfate, but only one on the right because of one ammonia molecule, so we multiply ammonia …
0.200*mol*L^-1 Ba (OH)_2 is titrated with nitric acid. Can you ...
Barium hydroxide is a DIBASE, the which has no or marginal solubility in water....a concentration of #0.200*mol*L^-1# is unreasonable....had the question proposed a back titration....i.e. …
255 ml of 0.711 M HCl is mixed with 432 ml of 0.245 M HCl is
Oct 19, 2017 · 255 ml of 0.711 M HCl is mixed with 432 ml of 0.245 M HCl is mixed with 432 ml of 0.245 M Sr (OH)2. Is the solution acid, basic, neutral? if the solution is not neutral, how much …
A dirty and impure sample that weighs 43.4 g contains a ... - Socratic
A dirty and impure sample that weighs 43.4 g contains a certain percentage of magnesium nitride. Magnesium nitride reacts with water.The sample is exposed to an excess of water to give 32.9 …
Calculating the concentration of excess HCL in E - Socratic
The acid in excess is then titrated with N aOH (aq) of KNOWN concentration....we can thus get back to the concentration or molar quantity of M (OH)2...as it stands the question (and answer) …
Question #d6b18 - Socratic
We want the standard enthalpy of formation for Ca (OH)_2. Thus, our required equation is the equation where all the constituent elements combine to form the compound, i.e.: Ca …